Sharpening Transparent Pixels

[Son]

When I sharpen a document with transparent pixels, the inkjet sharpener turns the transparent pixels to medium grey. How can I avoid this problem?

[Bruce Fraser]

When I sharpen a document with transparent pixels, the inkjet sharpener turns the transparent pixels to medium grey. How can I avoid this problem?

I need to see a file. You can send it to bruce@pixelgenius.com, or make it available for download somewhere.